Questions tagged [neo4j-driver]
85 questions
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Neo4j Server certificate is not trusted
I have just set up my Neo4j server on a VM on Google Cloud, I'm using Enterprise version 4.1.1, and I've have finished following the great post (here) by David Allen about how to get a certificate with LetsEncrypt.
This has all worked perfectly and…

Sean
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Routing issue in neo4j 4.0 with multiple databases
I have created a neo4j and graphql application with neo4j 4.0. In my application, I used two neo4j databases. These instances run in a docker container on my PC. But When I tried to run a query using graphql playground, graphql server gives the…

Prasad
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neo4j Javascript API : create parameter
I am trying to create a parameter from a Javascript application
But the following code doesn't work :
var input=json_table_definition.replace(/[\n\r]+/g, '');
var session = driver.session();
let results;
return session
.run(':param…

Bruno C
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neo4j c# get all data
I tried get all data from my neo4j database via neo4j driver (https://github.com/neo4j/neo4j-dotnet-driver) and I have problem, because IResultCursor result have nodes only without edges.
My code:
var records = new List();
IResultCursor…

BeFine9
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- 5
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Neo4jError: Run from within the transaction or use a different session
I upgraded Neo4j (3.?.? → 4.0.3) and the neo4j-javascript-driver (1.7.6 → 4.0.2).
Without any code changes, my Node app now gets a flurry of: Neo4jError: Queries cannot be run directly on a session with an open transaction; either run from within…

Michael Johansen
- 4,688
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What is difference between `result_available_after` and `result_consumed_after` in `BoltStatementResultSummary`? How to measure query execution time?
I tried understanding from the docs here, quoting from the doc
result_available_after = None
The time it took for the server to have the result available.
result_consumed_after = None
The time it took for the server to consume the result.
I…

Yashashvi
- 340
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- 12
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1 answer
Creating several of the same relationship types from a node in python using neo4j-driver
I'm running into this issue while trying to mass load data from a cypher script using the neo4j-driver for python. Lets say I have a node X, I should be able to do the following:
(X)-[:IS_FRIENDS]->(Y)
(X)-[:IS_FRIENDS]->(Z)
i.e. have multiple of…
0
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1 answer
Python loading script for neo4j returns ValueError
I'm relatively new-ish to programming in general (business analytics student turned data analyst) and I'm testing a python script to iterate over csv rows and construct a cypher query for each row to load into neo4j -
import pandas as pd
from neo4j…

pborah88
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Running "MATCH (n) DETACH DELETE n" via "neo4j-driver" doesn't work
I'm testing the neo4j-driver package to run Cypher queries via JavaScript/TypeScript.
I can run most queries just fine, but every time I try running the command MATCH (n) DETACH DELETE n my program just keeps hanging and nothing happens.
My code:
//…

Telmo Trooper
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Not able to make relationship between previous and next node by neo4j-driver
i am storing the object of previous node and current node so that i can create relationship between previous and current node for example the string is "There is a cat", each word will be node in neo4j which will have relation ship of ":next" with…

Huwaiza
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2 answers
(Neo4j-driver) - How to do batch insert relationship with Python
I'm trying to do batch create relationships between nodes in the neo4j database.
I was trying with this code but it doesn't work!
relations = [{'from': 'man', 'to': 'woman', 'properties': {'cost': 0}},
{'from': 'woman', 'to': 'baby', 'properties':…

Kaow
- 483
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(Neo4j-driver) How to create node and relationship to neo4j database faster?
i am try to create nodes and relationship to database by using python but it takes very too much time. I use official neo4j-driver library and connect to database by Bolt protocal.
from neo4j import GraphDatabase
driver =…

Kaow
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1 answer
(Python,Neo4j-driver) - How return none when check if node does not exist
Hello i'm very new for neo4j(neo4j-driver) in python. I have a problem when checking if node not exist, i have sent some name that not have any matched with node in db by these code.
from neo4j import GraphDatabase
driver =…

Kaow
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0
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1 answer
neo4j "ServiceUnavailableException:Unable to process request: Permission denied " when initialising the driver in android application
Both the Android emulator and smartphone can not run the application because of this exception, although I tested the connection which is well and Android can reach the neo4j database using neo4j browser on Chrome.
And this is my maven verision,…

skr
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Node(ID) already exists with label `X` and property 'Y'
I'm creating nodes with CREATE command like the following:
CREATE (d:A { name:'one_string' })
when I run such a query, I get the following error message:
Node(12079) already exists with label `B` and property `name` = 'a_different_string'
As you…

Pedram
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